remove sample

pantab/src/pantab.cpp

@@ -748,57 +748,10 @@ auto read_from_hyper_query(const std::string &path, const std::string &query)
   return result;
 }
 
-auto get_sample_capsule() -> nb::capsule {
-  auto schema = std::unique_ptr<struct ArrowSchema>{new (struct ArrowSchema)};
-
-  ArrowSchemaInit(schema.get());
-  if (ArrowSchemaSetTypeStruct(schema.get(), 1)) {
-    throw std::runtime_error("ArrowSchemaSetTypeStruct failed");
-  }
-  if (ArrowSchemaSetType(schema->children[0], NANOARROW_TYPE_INT32)) {
-    throw std::runtime_error("ArrowSchemaSetType failed");
-  }
-
-  if (ArrowSchemaSetName(schema->children[0], "int_column")) {
-    throw std::runtime_error("ArrowSchemaSetName failed");
-  }
-
-  auto array = std::unique_ptr<struct ArrowArray>{new (struct ArrowArray)};
-  if (ArrowArrayInitFromSchema(array.get(), schema.get(), nullptr)) {
-    throw std::runtime_error("ArrowSchemaInitFromSchema failed");
-  }
-  if (ArrowArrayStartAppending(array.get())) {
-    throw std::runtime_error("ArrowArrayStartAppending failed");
-  }
-  for (auto i : {1, 2, 4, 8}) {
-    if (ArrowArrayAppendInt(array->children[0], i)) {
-      throw std::runtime_error("ArrowArrayAppendInt failed");
-    }
-    if (ArrowArrayFinishElement(array.get())) {
-      throw std::runtime_error("ArrowArrayFinishElement failed");
-    }
-  }
-  if (ArrowArrayFinishBuildingDefault(array.get(), nullptr)) {
-    throw std::runtime_error("ArrowArrayFinishBuildingDefault failed");
-  }
-
-  auto stream =
-      (struct ArrowArrayStream *)malloc(sizeof(struct ArrowArrayStream));
-  if (ArrowBasicArrayStreamInit(stream, schema.get(), 1)) {
-    free(stream);
-    throw std::runtime_error("ArrowBasicArrayStreamInit failed");
-  }
-  ArrowBasicArrayStreamSetArray(stream, 0, array.get());
-
-  nb::capsule result{stream, "arrow_array_stream", &releaseArrowStream};
-  return result;
-}
-
 NB_MODULE(pantab, m) { // NOLINT
   m.def("write_to_hyper", &write_to_hyper, nb::arg("dict_of_exportable"),
         nb::arg("path"), nb::arg("table_mode"))
       .def("read_from_hyper_query", &read_from_hyper_query, nb::arg("path"),
-           nb::arg("query"))
-      .def("get_sample_capsule", &get_sample_capsule);
+           nb::arg("query"));
   PyDateTime_IMPORT;
 }